Aarhus University Seal / Aarhus Universitets segl

Electricity to gas – the missing link in future energy solutions

PhD defence, Thursday 10 October 2019. Christian Dannesboe.

2019.10.10 | Sunitha Satkunam

Christian Dannesboe

With increased production of electricity from solar and wind farms, the need for efficient and large-scale energy storage become paramount. One promising solution is the combination of solid oxide electrolysis and catalytic methanation. These technologies enable conversion of waste CO2 from biogas facilities to natural gas. During his studies, Christian Dannesboe was involved with construction and startup of the world’s largest pilot plant based on catalytic methanation and solid oxide electrolysis –a unique facility build to prove the synergies between these two technologies. The EUDP funded project was completed in close collaboration with Haldor Topsøe A/S, where Christian Dannesboe managed extensive data acquisition and analysis, when researching several control strategies of the combined plant. His studies on gas quality show, how the produced gas is fully compatible with existing facilities for gas distribution and storage.

The new research findings prove the catalytic methanation technology ready for implementation at industrial scale. The electrolysis efficiency (electricity to gas) is found to be close to the theoretical limit of 100%. Christian’s results showcase a combined technology, soon to become pivoting in future energy solutions.

The PhD degree was completed at the Centre for Biorefining Technologies, Department of Engineering, Science and Technology at Aarhus University.

This résumé was prepared by th PhD student

Time: Thursday 10th October 2019 at 13.00
Place: Aarhus University, Building 5220, room 3.20, Jens Baggesens Vej 51-53, 8200 Aarhus N
Title of PhD thesis: Catalytic Upgrading of COin Biogas
Contact information: Christian Dannesboe, e-mail: chda@eng.au.dk, tel.: +45 4189 3304
Members of the assessment committee:
Senior Scientist Dr. Tilman Schildhauer, Paul Scherrer Institute, Switzerland
Professor Dr. Anker Degn, Department of CHEC, Technical University of Denmark
Professor Sven Gjedde Sommer (chair), Department of Engineering, Aarhus University
Main supervisor:
Honorary associate professor Ib Johannsen, Department of Engineering, Aarhus University
Senior Principal Scientist John Bøgild Hansen, Chemicals R&D, Haldor Topsøe A/S
Language: The PhD dissertation will be defended in English

The defence is public.
The PhD thesis is available for reading at the Graduate School of Science and Technology/GSST, Ny Munkegade 120, building 1521, 8000 Aarhus C.

PhD defence
12183 / i43